Nimli (Rajasthan): Biodiversity, our scientists tell us, is a measure of the health of an ecosystem. The greater the genetic diversity, species diversity, and habitat diversity in a landscape, the greater the resilience of that landscape to disturbances such as pollution, invasive species, etc.
But at the same time, for multiple reasons, there has been a constant loss of species. Speaking on the occasion of World Wildlife Day on the theme “The Great Extinction: The State of Biodiversity (India and the World)”, Director of the Zoological Survey of India, Dhriti Banerjee, highlighted the impact of changing climatic conditions and the loss of species.
Citing her personal experience of a field trip to an area in Arunachal Pradesh, Zoological Survey of India director Dhriti Banerjee said that over the past two decades she has discovered that more than a fifth of the species had disappeared.
She said she wouldn’t use the term extinction — obviously, because it involves a lot of procedure — but there’s no denying that dozens of species have been lost over the past century.
Banerjee was speaking at the Media Conclave, Anil Agrawal Dialogue 2022 here on Thursday.
The appearance of certain types of insects in an area where these have not been found before is an indicator of changing climatic conditions, she said and referred to insects as indicator species.
In her presentation, she mentioned how, across the world, every day up to 150 species are lost. Each year, between 18,000 and 55,000 species disappear. The cause: human activities.
The world’s oceans could be practically empty of fish by 2048. One in eight plant species is in danger of extinction within the next 30 years.
About 52 species of birds, mammals and amphibians approach one category of extinction on the International Union for Conservation of Nature (IUCN) Red List each year, his presentation said.
There have been multiple extinctions, and most extinction events were likely caused by a combination of factors.
Every day, up to 150 species disappear. Each year, between 18,000 and 55,000 species disappear. The cause: human activities. The world’s oceans could be virtually empty of fish by 2048. A study shows that if nothing changes, we will run out of seafood in 2048.
According to the IUCN Red List, one in eight plant species is in danger of extinction within the next 30 years, while around 52 species of birds, mammals and amphibians are approaching a death each year. category of extinction on the IUCN Red List, according to the presentation.
Conservation has brought back 21 to 32 species of birds and 7 to 16 species of mammals have been removed from the brink of extinction.